Finding the Fourth Proportional to 136,551,645.60, 204,827,468.40 and 135,595,051.80
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Solution
The fourth proportional to 136,551,645.60, 204,827,468.40 and 135,595,051.80 is: 203,392,577.70
Step by Step Solution
- Step 1: Write the proportion equation
136,551,645.60 : 204,827,468.40 = 135,595,051.80 : x - Step 2: Convert to fraction form
136,551,645.60/204,827,468.40 = 135,595,051.80/x - Step 3: Cross multiply
136,551,645.60x = 204,827,468.40 × 135,595,051.80 - Step 4: Simplify right side
136,551,645.60x = 27,773,591,187,760,868 - Step 5: Solve for x
x = 27,773,591,187,760,868/136,551,645.60 - Step 6: Final answer
x = 203,392,577.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.